i had this very problem with my 16v. would cut when i dipped the clutch - especially at junctions. i changed my isv which didn't help. also replaced all the vacuum hoses as i suspected an air leak too. mine turned out to be the micro switch on the throttle mech was not being pressed when the throttle was returning to idle. i don't know if 8v's have a simular switch? alligning this switch fixed the problem for me.